The Standard Anti Backflow Tiehack Gully is designed to close off the outlet if a drain should block to prevent foul water and debris returning into the gully or room. The Gully is bead blasted with easy access for Rodding.
The Anti Backflow Tiehack Gully is available in two sizes to accommodate different flow rates.tnx
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that ASPEN by John Lord is consulted before specifying.
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| Uniclass (?) | Pr_65_52_24 Drainage gullies and channels | |